Quote Originally Posted by paju2000 View Post
Sorry for not being clear. I'm not using unstable repositories but KDE/Plasma itself is in my usage unstable; crashes, freezes, behaves incorrectly after a while.

And thx for the tip: Mesa-dri-nouveau was installed. Uninstalled it - hopefully it'll improve the situation. Probably need to reboot or restart KDE to see any differences. I don't need OpenGL much/at all (probably need to start using mvp more in video playing).
Then you made me the Halloween joke

I thought you used Plasma / Unstable from Repo